88 DISEASES OF THE HOG. 
truncated and provided with an oblique bursa; in 
the female it is elongated and slender, ending in a 
fine point; the genital opening is near the posterior 
end. The history of this worm is not known. It 
does not seem to do much harm. The usual treat- 
ment for worms is nearly always effectual in bring- 
ing them away. I have seen quite a number of 
them mixed with other worms in the feces of a hog 
that had been treated for worms. 
STRONGYLUS ELONGATUS. 
This species live in the lung and air passages of 
the pig. This worm is about one to one and one- 
half inches long. They often occur singly or sev- 
eral together. When they are numerous they set 
up great disturbance, often resulting in the death 
of the host. The first symptom of the disease is a 
cough, usually slight at first, but soon becoming 
very distressing, and the pig shows signs of suffo-_ 
cation, which sometimes takes place, or inflamma- 
tion may set in and carry the animal off. This dis- 
ease is often taken for catarrh or some other res- 
piratory trouble and it is very difficult to diagnose 
unless a worm which has been coughed up may be 
seen protruding from the nose. 
Treatment: This is not easy in the pig. Small 
quantities of turpentine injected into the nostrils 
may reach the worms. Turpentine given in tea- 
spoonful doses three times daily will sometimes be 
of use, as the turpentine is partly eliminated by 
the lungs. The inhalation of the fumes of carbolic 
acid is also useful. 
